830131 has 2 divisors, whose sum is σ = 830132. Its totient is φ = 830130.
The previous prime is 830117. The next prime is 830143. The reversal of 830131 is 131038.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 830131 - 25 = 830099 is a prime.
It is a super-2 number, since 2×8301312 = 1378234954322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (830111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415065 + 415066.
It is an arithmetic number, because the mean of its divisors is an integer number (415066).
2830131 is an apocalyptic number.
830131 is a deficient number, since it is larger than the sum of its proper divisors (1).
830131 is an equidigital number, since it uses as much as digits as its factorization.
830131 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 830131 is about 911.1152506681. The cubic root of 830131 is about 93.9829077116.
Adding to 830131 its reverse (131038), we get a palindrome (961169).
It can be divided in two parts, 830 and 131, that added together give a square (961 = 312).
The spelling of 830131 in words is "eight hundred thirty thousand, one hundred thirty-one".
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